The Best Secret Rare Cards In The YGO TCG's Alliance Insight Bit random, favourite and or least favourite Yu Gi Oh card rarity? Favourite would have to be Secret Rare and least would have to be Ultimate Rare. It works for some cards but I feel I tried to make a custom Prismatic Secret Rare BEWD : r yugioh RA02 EN039Q Hieratic Seal of the Heavenly Spheres Quarter Century Secret Rare Trading Card Mint CoreTCG Bystial Saronir (Platinum Secret Rare) Guide to Yu Gi Oh! Card Rarity